[Edu-sig] thought re graphing calculators ...
Brian Blais
bblais at bryant.edu
Mon Sep 28 19:18:45 CEST 2009
On Sep 27, 2009, at 19:38 , Charles Cossé wrote:
> Hi, this has probably been discussed to death already, but maybe
> not: The point at which fancy graphing calculators become
> "necessary" (ie as in one's student career) is the point at which
> the calculator should be abandoned and Python employed. Just a
> thought ... delete at will !
Just a month ago, a friend of mine who homeschools her children was
asking me about graphing calculators. Apparently the math curriculum
she uses has a number of graphic calculator exercises. My advice was
to buy a nice solar-powered scientific calculator (for $15 at
Target), but to ignore the graphing calculator entirely. Her kids
should do the exercises by hand, on graph paper instead. Anything
that is hard enough for you to use a graphic calculator can be done
much more easily with a computer.
After giving her this advice (which I still stand by), I was thinking
about my own experience. I was going through high school when the
first graphic calculators came out, and I had one Junior and Senior
year and through college. I loved to program it, and I loved the big
screen where I could see and edit expressions. However, as I think
about it, I can not think of a single problem where I *needed* the
graphic calculator, or where it gave me more insight than I could do
by hand. It was a fun toy, but not the best tool.
bb
--
Brian Blais
bblais at bryant.edu
http://web.bryant.edu/~bblais
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